Page 734 - My FlipBook

732 ORTHODONTIA AS AN OPERATIVE PROCEDURE.

AVhere the canine has not erupted far enon or swaged cap on it, a small hole may be drilled in the tooth, in which
Fig. 692.

Writer's method of elevating broken tooth.
a small screw or pin is secnred by cement. This may be afterward
filled with gold, or with a piece of a small glass rod, as described by
Prof. L. L. Dunbar.^
In some cases it is advantageous to use teeth of the lower jaw for
anchorage, as shown in Fig. 694.
The patient may remove the rubber band from the upper tooth while
eating. As rubber bands are liable to be broken by a too sudden
Fig. 693. Fig. 694.
\ ...

Angle's method of forcible eruption. Angle's method of using the lower jaw for
anchorage.

opening of the patient's mouth, it is well to attach two or three to the
lower tooth, as a reserve in case one is broken between visits of the
patient. The lower metal band may be dispensed with by ligating the
rubber band to the neck of the tooth. As the rubljer band tends to
draw the ligature away from the gum, inflammation is not likely to
ensue as in many other uses of such a ligature.
Figs. 695 and 696 show how this plan has been successfully applied
by the writer for elevating bicuspids and molars which do not occlude.
Bands with hooks are attached to both upj^er and lower teeth and a
rubber band stretched from each upper hook to a corresponding lower
one, or the place of either upper or lower l)and is supplied by a liga-
^ Pacific Coast Dentist, vol. i. p. 14.